DL777

DL777 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Las Vegas. Of 1,022 departures recorded from October 2024 to July 2026, 87.2% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January5658▲ 3.6%
February56560.0%
March62620.0%
April6024▼ 60.0%
May3750▲ 35.1%
June5360▲ 13.2%
July3762▲ 67.6%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)361372▲ 3.0%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January85.2%81.5%▼ 4.4%
February78.6%91.1%▲ 15.9%
March88.7%91.9%▲ 3.6%
April91.5%83.3%▼ 9.0%
May91.9%84.0%▼ 8.6%
June83.0%93.3%▲ 12.4%
July86.5%83.3%▼ 3.7%
August80.7%––
September90.0%––
October96.8%–in progress
November83.3%––
December83.9%––
Year-to-date average (Jan–Jul)86.5%86.9%▲ 0.5%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January24▲ 100.0%
February00–
March00–
April10▼ 100.0%
May00–
June00–
July02–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)36▲ 100.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 99.1% 1,013
  • Cancelled 0.9% 9

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. ATL–LAS634 87.8%
  2. LAS–ATL388 86.2%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 95.0% 0
November 2024 60 60 90.0% 0
December 2024 36 36 80.6% 0
January 2025 56 54 85.2% 2
February 2025 56 56 78.6% 0
March 2025 62 62 88.7% 0
April 2025 60 59 91.5% 1
May 2025 37 37 91.9% 0
June 2025 53 53 83.0% 0
July 2025 37 37 86.5% 0
August 2025 31 31 80.7% 0
September 2025 30 30 90.0% 0
October 2025 31 31 96.8% 0
November 2025 30 30 83.3% 0
December 2025 31 31 83.9% 0
January 2026 58 54 81.5% 4
February 2026 56 56 91.1% 0
March 2026 62 62 91.9% 0
April 2026 24 24 83.3% 0
May 2026 50 50 84.0% 0
June 2026 60 60 93.3% 0
July 2026 62 60 83.3% 2

How to read this chart

Loading the guide…